Re: [PATCH v10 0/2] Add LPASS VA CSR HeartBeat pulse clock support

[Prasad Kumpatla]

On 9/30/2026 3:21 PM, Sarath Ganapathiraju via B4 Relay wrote:
> The LPASS VA CSR block contains rate generator hardware that produces
> a HeartBeat Pulse (also known as RateGen Pulse). This pulse
> synchronizes the start of the DMAs and Codec Interfaces for the audio
> usecases and can serve as a periodic wakeup source for the DSP.
>
> This series adds the DT binding and driver support to model this
> rate generator as a clock provider.
>
> Patch 1 adds the YAML binding for the new qcom,hawi-lpass-va-csr
> clock provider node under Documentation/devicetree/bindings/clock/.
>
> Patch 2 adds the lpass-va-csr driver under drivers/clk/qcom that
> registers the lpass_heartbeat_pulse clock and enables/disables the
> rate generator via regmap when the clock consumer requests it.
Tested on Hawi - WCD Headset Playback and Record working fine.

Reviewed-by: Prasad Kumpatla <prasad.kumpatla@xxxxxxxxxxxxxxxx>
Tested-by: Prasad Kumpatla <prasad.kumpatla@xxxxxxxxxxxxxxxx>